Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: ac69818d7335cd9d9acb8bdf3432272f58e6b156
https://github.com/WebKit/WebKit/commit/ac69818d7335cd9d9acb8bdf3432272f58e6b156
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2025-03-09 (Sun, 09 Mar 2025)
Changed paths:
M Source/JavaScriptCore/jit/JITOperations.cpp
M Source/JavaScriptCore/runtime/StringPrototype.cpp
Log Message:
-----------
[JSC] Optimize string replace with cache
https://bugs.webkit.org/show_bug.cgi?id=289420
rdar://146584722
Reviewed by Yijia Huang.
This patch optimizes string replace with cache by not having
sourceRanges. Since we have cached JSImmutableButterfly, we can
reconstruct the range without keeping them in a Vector. We also compute
totalLength and 8Bit status during iteration instead of doing it later
again.
* Source/JavaScriptCore/jit/JITOperations.cpp:
(JSC::putByVal):
* Source/JavaScriptCore/runtime/StringPrototype.cpp:
(JSC::replaceUsingRegExpSearchWithCache):
Canonical link: https://commits.webkit.org/291859@main
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